Conspiracy theories hijack our evolutionary adaptation for finding patterns in a chaotic world

Messages on unfired bullet casings left by Tyler Robinson, the 22-year-old accused of shooting Charlie Kirk, appear linked to online alt-right movements.   Writer: Jess Swinburne, with reporting from Nicky Woolf Producer: Amalie Sortland Host: Casey Magloire Episode photography: Sofia Fenton Executive Producer: Rebecca Moore & Jasper Corbett